<div class="ui-mainFooter">
    <div v-for="item in list" :class="{ 'is-active': active == $index }" class="ui-mainFooter__item" v-touch:tap="onItemTap($index)">
        <div class="ui-mainFooter__icon is-{{item.tag}}" ></div>
        <div class="ui-mainFooter__title">{{item.title}}</div>
    </div>
</div>